Kev sib piv ntawm LED txoj kev teeb thiab sodium txoj kev teeb
Tam sim no, lub ntiaj teb tab tom txhawb kev txuag hluav taws xob thiab txo qis emission. Tus nqi ntawm LED Hoobkas teeb, cov specifications ntawm high-bay teeb, manufacturers ntawm kab hlau rhuav phab ntsa teeb, thiab cov manufacturers ntawm floodlights kuj siv zog los tsim ib tug kev pab txuag thiab ib puag ncig-phooj ywg zej zog. Lub tswv yim kuj maj mam nce nrov. Nrog kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis thiab kev txhim kho sai ntawm cov khoom siv hluav taws xob semiconductor siv thev naus laus zis, cov khoom siv hluav taws xob tsawg LED tau siv dav hauv cov teeb pom kev zoo toj roob hauv pes, thiab lub zog loj LED txoj kev teeb tau nyiam ntau thiab ntau dua los ntawm txhua qhov chaw ntawm lub neej. .
Lub hauv paus ntsiab lus luminous ntawm LED txoj kev teeb qhov chaw:
LED yog lub npe luv ntawm Lub Teeb Emitting Diode hauv lus Askiv. Nws yog lub teeb-emitting diode. Nws yog tsim los ntawm III-IV tebchaw, ib qho khoom siv hluav taws xob semiconductor, uas tuaj yeem hloov hluav taws xob ncaj qha rau hauv lub teeb. Lub plawv ntawm LED yog ib qho semiconductor wafer, lub semiconductor wafer muaj peb qhov, ib feem yog P-hom semiconductor, nyob rau hauv uas lub dominate, thiab lwm yam kawg yog N-hom semiconductor. Thaum cov tam sim no ua rau ntawm wafer los ntawm cov hlau, cov electrons thiab qhov yuav raug thawb mus rau hauv quantum zoo, thiab cov electrons thiab qhov yuav recombine nyob rau hauv lub quantum zoo, thiab ces yuav emit zog nyob rau hauv daim ntawv ntawm photons, uas yog lub hauv paus ntsiab lus. ntawm LED teeb emission. Lub wavelength ntawm lub teeb, uas kuj yog xim ntawm lub teeb, yog txiav txim los ntawm cov khoom uas tsim PN hlws ris.
Lub hauv paus ntsiab lus luminous ntawm kev kub siab sodium teeb qhov chaw:
Lub teeb hluav taws xob sodium siab siv hluav taws xob arc nruab nrab ntawm cov electrodes ntawm ob qho kawg ntawm lub arc raj tom qab tau energized. Vim qhov kub ntawm qhov arc, sodium amalgam nyob rau hauv lub raj yog rhuab thiab evaporated rau hauv mercury vapor thiab sodium vapor, thiab cov electrons emission los ntawm cathode yog nyob rau hauv tus txheej txheem ntawm tsiv mus rau lub anode. Cov atoms ntawm cov khoom tuaj yeem tau txais lub zog los tsim ionization lossis excitation, thiab tom qab ntawd rov qab mus rau hauv av hauv lub xeev los ntawm lub xeev zoo siab; los yog hloov los ntawm lub xeev ionized mus rau lub xeev zoo siab, thiab tom qab ntawd rov qab mus rau hauv av hauv lub voj voog tsis kawg. Nyob rau lub sijhawm no, lub zog ntau dhau yog tso tawm nyob rau hauv daim ntawv ntawm lub teeb hluav taws xob, Lub teeb yog tsim.
High-power LED txoj kev teeb yog ib yam tshiab ntawm txoj kev teeb pom kev zoo uas paub txog cov teeb pom kev zoo xav tau los ntawm kev teeb pom kev zoo ntawm LED pawg nrog DC tsis tshua muaj hluav taws xob. Nws muaj cov yam ntxwv ntawm lub siab ci thiab zoo xim rendering; Kev sib xyaw ua ke ntawm hnub ci zog ua rau hnub ci LED txoj kev teeb pom kev zoo rau kev teeb pom kev yav tom ntej.
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